Uncomfortable - possibly l tearing?

This past month, I have started having with a new partner and I have been experiencing discomfort during . I have never had this problem before. I do get well lubricated, and it's not excruciatingly painful or anything, but it's uncomfortable enough to where we have to stop. I know it's not just due to dryness, because I can feel it in the same tiny spot inside me every time. My partner says he feels a tiny "pinch" sensation when he moves against it. there's no bleeding, I haven't had kids or anything, so I don't know if it's tearing or what- and it only happens during . Can anyone give me some idea of what this is and whether it's serious enough to see my gyno about?